Business week in pictures

Workers from the Bombardier factory in Derby arrive at the House of Commons, London, where they lobbied MPs about proposed job losses. The UK unemployment total hit its highest level for 17 years to 2.57 million as 114,000 join the dole queue between June and August. As the jobless rate hits 8.1%, young people make up almost a million of the total Photograph: Stefan Rousseau/PA

The ongoing eurozone crisis deepened as Slovakia initially rejected the multibillion euro bailout fund and unsettled markets. The country voted the package through by the end of the week Photograph: Peter Hudec/EPA

The Occupy Wall Street movement against the US financial system and economic inequality that began in New York last month with a few people has expanded to protests in more than a dozen cities, including London Photograph: Shannon Stapleton/Reuters

Prime Minister David Cameron meets Helena Morrissey, founder of the 30% Club, a group of women who have led the way in supporting greater diversity in the boardroom, at 10 Downing Street. Latest research on FTSE 100 firms shows that only a third of blue-chip companies have set targets for the number of women on their boards, despite recommendations by Lord Davies in February Photograph: Stefan Rousseau/PA

Global investment bank Goldman Sachs were let off paying £10m interest in a failed tax avoidance scheme, according to leaked documents revealing that a top tax official shook hands on the deal after what was described as a 'cock-up'. Photograph: Sarah Lee for the Guardian

The energy market faces a shakeup as Scottish and Southern Energy breaks ranks with other Big Six suppliers by letting domestic suppliers bid for its energy supply Photograph: Christopher Furlong/Getty Images

In celebration of its centenary, UK chocolate maker Thorntons created the world's biggest ever bar, a 6-tonne slab of milk chocolate poured by 50 people Photograph: David Jones/PA

Mothercare boss Ben Gordon leaves the baby goods retailer by mutual consent after a third profits warning, blaming the underlying economic malaise. The company's shares immediately rose 9% in response to his departure Photograph: Rex Features

Swedish carmaker Saab is reported to be 'close to bankruptcy' as shares fall 7% and talks stall over a vital bridging loan of €70m Photograph: Casper Hedberg/Bloomberg via Getty Images

Cocaine testing is lined up for Italy's stock market traders as Carlo Giovanardi, a junior minister with responsibility for the family, said that the economic world was 'polluted by the use of narcotic substances' Photograph: Giuseppe Cacace/AFP/Getty Images

Retail chain WH Smith made its first move into the electronic books market by sealing a distribution deal with Canadian group Kobo Photograph: Anthony Devlin/PA

Warren Buffett has called himself mega-rich, but now he's revealing how much money he made last year: $62,855,038. The billionaire investor disclosed the figure in a letter he wrote this week to Republican Tim Huelskamp Photograph: Jason Lee/Reuters

Prime Minister David Cameron and BP executives view an exploration map at BP North Sea Headquarters in Aberdeen. BP said the story of North Sea oil still has a "long way to run" after the company received the go-ahead for a major £4.5bn project. The second phase of the giant Clair field, west of the Shetland Islands, forms part of £10bn being spent on four projects by BP and its partners from Shell, ConocoPhillips and Chevron over the next five year Photograph: Andrew Milligan/PA